If the will of the committee is to separate the two amendments, then yes, it would be possible to amend CPC-2 later on when it is called. Otherwise, it would not be possible, because they go together.
It's the will of the committee that matters here. It may be that the will of the committee is to proceed with CPC-1 and do whatever they do with CPC-1 and go to CPC-2 after that. It's the will of the committee that matters.